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BUSINESS SEGMENTS - Reconciliation of Business Segment Information in Consolidated Statement of Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Net sales to unaffiliated customers |  | $ 1,867 | $ 1,884 | $ 3,594 | $ 3,647
Total sales |  | 1,867 | 1,884 | 3,594 | 3,647
Net contribution (charge) to earnings |  | 213 | 165 | 450 | 330
Costs of sales |  | 1,556 | 1,559 | 2,965 | 2,987
Gross margin |  | 311 | 325 | 629 | 660
Selling expenses |  | 24 | 23 | 47 | 46
General and administrative expenses |  | 115 | 114 | 234 | 233
Other segment items | [1] | (41) | 23 | (102) | 51
Intersegment eliminations |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Total sales |  | (151) | (156) | (287) | (308)
Unallocated items |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Net sales to unaffiliated customers |  | 0 | 0 | 0 | 0
Total sales |  | (151) | (156) | (287) | (308)
Net contribution (charge) to earnings |  | (82) | (75) | (171) | (174)
Costs of sales |  | (139) | (144) | (258) | (271)
Gross margin |  | (12) | (12) | (29) | (37)
Selling expenses |  | 0 | 0 | 1 | 1
General and administrative expenses |  | 46 | 44 | 95 | 93
Other segment items | [1] | 24 | 19 | 46 | 43
Timberlands |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Total sales |  | 367 | 373 | 723 | 755
Timberlands | Operating segments |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Net sales to unaffiliated customers |  | 367 | 373 | 723 | 755
Total sales |  | 518 | 529 | 1,010 | 1,063
Net contribution (charge) to earnings |  | 130 | 88 | 245 | 190
Costs of sales |  | 434 | 416 | 843 | 825
Gross margin |  | 84 | 113 | 167 | 238
Selling expenses |  | 1 | 1 | 1 | 1
General and administrative expenses |  | 24 | 24 | 49 | 48
Other segment items | [1] | (71) | 0 | (128) | (1)
Timberlands | Intersegment eliminations |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Total sales |  | 151 | 156 | 287 | 308
Strategic Land Solutions |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Total sales |  | 140 | 154 | 347 | 248
Strategic Land Solutions | Operating segments |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Net sales to unaffiliated customers |  | 140 | 154 | 347 | 248
Total sales |  | 140 | 154 | 347 | 248
Net contribution (charge) to earnings |  | 94 | 106 | 263 | 162
Costs of sales |  | 38 | 44 | 70 | 76
Gross margin |  | 102 | 110 | 277 | 172
Selling expenses |  | 0 | 0 | 0 | 0
General and administrative expenses |  | 8 | 6 | 14 | 13
Other segment items | [1] | 0 | (2) | 0 | (3)
Strategic Land Solutions | Intersegment eliminations |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Total sales |  | 0 | 0 | 0 | 0
Wood Products |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Total sales |  | 1,360 | 1,357 | 2,524 | 2,644
Wood Products | Operating segments |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Net sales to unaffiliated customers |  | 1,360 | 1,357 | 2,524 | 2,644
Total sales |  | 1,360 | 1,357 | 2,524 | 2,644
Net contribution (charge) to earnings |  | 71 | 46 | 113 | 152
Costs of sales |  | 1,223 | 1,243 | 2,310 | 2,357
Gross margin |  | 137 | 114 | 214 | 287
Selling expenses |  | 23 | 22 | 45 | 44
General and administrative expenses |  | 37 | 40 | 76 | 79
Other segment items | [1] | 6 | 6 | (20) | 12
Wood Products | Intersegment eliminations |  |  |  |  |
Segment Reporting, Revenue Reconciling Item |  |  |  |  |
Total sales |  | $ 0 | $ 0 | $ 0 | $ 0
[1] | Other segment items for each reportable segment includes recurring and non-recurring income and expense items. For our Timberlands segment, this includes gains on the sale of timberlands for the quarter and year-to-date period ended June 30, 2026. For our Wood Products segment, this includes product remediation insurance recoveries for the year-to-date period ended June 30, 2026. For Unallocated Items, this includes non-operating pension and other post-employment benefit costs and interest income and other for all periods presented. Refer to Note 13: Other Operating Costs, Net for additional information.

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